Greatest Common Factor of 27, 42, 60, 805

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 27, 42, 60, 805 by common division method
• Greatest Common Factor of 27, 42, 60, 805 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 805

List of positive integer factors of 805 that divides 805 without a remainder.

1,5,7,23,35,115,161,805

Greatest Common Factor

We found the factors 27,42,60,805 . The biggest common factor number is the GCF number.
So the greatest common factor 27,42,60,805 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 75, 55, 15, 131
• GCF of 78, 51, 68, 249
• GCF of 91, 75, 35, 936
• GCF of 54, 96, 54, 339
• GCF of 55, 44, 55, 574

1. What is the GCF of 27, 42, 60, 805?

Answer: GCF of 27, 42, 60, 805 is 1.

2. How to Find the GCF of 27, 42, 60, 805

Answer: Greatest Common Factor(GCF) of 27, 42, 60, 805 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(27, 42, 60, 805) = 1.